from Cinema 5 ; Documento-Film ; CCC Filmkunst ; adaptation and screenplay by Ugo Pirro, Vittorio Bonicelli ; produced by Gianni Hecht Lucari for Documento Film and Arthur Cohn ; directed by Vittorio De Sica
Columbia ; Sam Spiegel presents ; screenplay by Gore Vidal and Tennessee Williams ; a Horizon Pictures (G.B.) Limited production in association with Academy Pictures and Camp Films ; produced by Sam Speigel ; directed by Joseph L. Mankiewicz
Columbia Pictures and Filmways present a Martin Ransohoff-Leslie Linder production ; screenplay by Clive Exton ; produced by Leslie Linder and Martin Ransohoff ; directed by Richard Fleischer
Sony Pictures Classics ; adaptation and screenplay by Ugo Pirro, Vittorio Bonicelli ; produced by Gianni Hecht Lucari for Documento Film and Arthur Cohn ; directed by Vittorio De Sica
Sony Pictures Classics ; Laurens Geels & Dick Maas presenteren ; scenario, Mike van Diem, in samenweking met Laurens Geels & Ruud Van Megen ; producent, Laurens Geels ; regisseur, Mike van Diem